ADS5270

www.ti.com............................................................................................................................................... SBAS293F – JANUARY 2004 – REVISED JANUARY 2009

• Changed Typical Characteristics conditions to include T

A = +25°C and ISET = 56.2kΩ. ..................................................... 16

• Changed Figure 13. ............................................................................................................................................................. 16

• Changed Figure 14. ............................................................................................................................................................. 16

• Deleted Figure 15 (Power Dissipation vs Temperature)...................................................................................................... 16

• Changed figure numbers in Theory of Operation to reflect addition of figure numbers in Typical Characteristics. ............ 17

• Changed 2V to 1.95V, 1V to 0.95V, and 1.5V to 1.45V in first paragraph of Overview section in Theory of Operation. .. 17

• Changed eighth and 12th sentences of first paragraph of Overview section in Theory of Operation................................. 17

• Changed first paragraph of Driving the Analog Inputs section of Theory of Operation....................................................... 17

• Added second paragraph of Driving the Analog Inputs section of Theory of Operation. .................................................... 17

• Changed Figure 16. ............................................................................................................................................................. 17

• Deleted second paragraph of Driving the Analog Inputs section in Theory of Operation. .................................................. 17

• Added fourth paragraph of Driving the Analog Inputs section in Theory of Operation........................................................ 18

• Deleted fourth paragraph of Driving the Analog Inputs and Figure 17 (Input Circuitry) in Theory of Operation. ................ 18

• Changed Input Over-Voltage Recovery section. ................................................................................................................. 18

• Added Figure 17. ................................................................................................................................................................. 18

• Deleted heavily from first sentence of first paragraph of Reference Circuit Design section in Theory of Operation. ......... 19

• Changed third paragraph of Reference Circuit Design section of Theory of Operation...................................................... 19

• Changed fourth paragraph of Reference Circuit Design section of Theory of Operation.................................................... 19

• Changed Figure 18. ............................................................................................................................................................. 19

• Added last sentence to fifth paragraph of Reference Circuit Design section of Theory of Operation and Table 1............. 19

• Changed Clocking section of Theory of Operation.............................................................................................................. 19

• Changed LVDS Buffers section in Theory of Operation...................................................................................................... 20

• Changed Power-Down Mode section in Theory of Operation. ............................................................................................ 21

• Added Table 2...................................................................................................................................................................... 21

• Deleted Supply Sequence section....................................................................................................................................... 21

• Added Reset section............................................................................................................................................................ 21

• Changed Layout of PCB with PowerPAD Thermally-Enhanced Packages section in Theory of Operation. ...................... 21

• Added Connecting High-Speed, Multi-Channel ADCs to XILINX FPGAs section in Theory of Operation.......................... 21

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Product Folder Link(s): ADS5270